Disclosed subject matter includes an elastic support, an electronic device, and a terminal. The elastic support comprises two installation parts and an elastic part connected between the two installation parts, the elastic part is in a polyline structure consisting of straight lines and/or curves, and one end of each installation part away from the elastic part is connected with a stationary component or a component that reciprocatively vibrates in a first direction; at least one of the installation parts is provided with a first cushioning part, at least partial structure of which is bent from the end of the installation part away from the elastic part toward the first direction.